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Welcome!

For over 16 years DNR Construction has provided weatherization and construction services to Chicago, IL and the surrounding areas.

We are a true family owned construction company; made up of four brothers, a cousin, sister and brother-in-laws.

We specialize in the exterior remodeling of single family, condominium, and townhome complexes. In addition, we have become the largest weatherization contractor in the state of Illinois.

Our Services

  • DNR Construction provides weatherization and construction services to Chicago, IL and the surrounding areas.

    • Windows – vinyl, wood, aluminum,
      fiberglass
    • Weatherization - insulation, air
      sealing and more.
    • Doors – entry, patio, commercial

Latest news

  • Fourteen years ago, with the field of weatherization in its infancy, Rick Helwig saw an opportunity for innovation. He soon found himself taking the lead to help.....